Nthawi zambiri mumatha kumva njira zosiyanasiyana popanga magiya a bevel, omwe amaphatikiza magiya owongoka, ma giya ozungulira, magiya a korona kapena magiya a hypoid.Kumeneko ndiko Kugaya, Kupuntha ndi Kugaya.Kugaya ndiye njira yoyambira yopangira magiya a bevel.Kenako pambuyo mphero, ena cu...
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